Roll-turning machine



(No Model.) 2 Sheets-Sheet 1'.

G. VINE. ROLL TURNING MACHINE.

No. 522,924. Patented July 10,1894.

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(No Model.) 2 sheetssheet 2.

G. VINE. ROLLTURNING MACHINE.

No. 522,924. Patented July 10, 1894.

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UNITED STATES.

PATENT OFFICE.

GEORGE VINE, OF ANSONIA, CONNECTICUT.

ROLL-TURNING MACHINE.

SPECIFICATION forming part of Letters Patent No. 522,924, dated July 10,1894.

Application filed January 2, 1894.

To all whom it may concern.-

Be it known that I, GEORGE VINE, a citizen of the United States,residing at Ansonia, in the county of New Haven and State ofConnecticut, have invented certain new and useful Improvements inRoll-Tu rning Machines; and I do'hereby declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

My invention has for its object to improve the construction of rollturning machines so that the quality of work shall be greatly improvedand the capacity of the machine shall be increased. This I accomplish byso organizing and constructing the machine that the cutters will be heldrigidly at all times without strain upon the roll, thereby insuring thatthe line of the out upon the roll will be perfectly straight anduniform, the use of duplicate sets of cutters if required is providedfor, likewise a uniform automatic feed for the sets of cutters inaddition to a hand feed for each set of cutters.

With these ends in view I have devised the novel mechanism of which thefollowing description in connection with the accompanying drawings is aspecification, numbers being used to designate the several parts.

Figure 1 is a plan view illustrating the carriages for a single set ofcutters in operative position; Fig. 2 an end elevation correspondingtherewith; Fig. 3 a section on the line at a: in Fig. 1 looking towardthe right, and Fig. 4 a section on the line y y in Fig. 3 looking down.

1 denotes a bed which may be of ordinary or any preferred construction,2, standards adjustably clamped to the bed by which the roll 3 that isto be operated upon is supported. Any suitable mechanism may be used forimparting rotary motion to the roll. As this mechanism forms no portionof my present invention it has been omitted from the drawings for thesake of clearness.

4 denotes a table which is adapted to be moved longitudinally upon thebed and which is rigidly secured thereto after adjustment by bolts 5.This table is provided with a central longitudinal groove 6 to receiveribs 7'on Serial Ila-495,340. (No model.)

carriages 8 which are adapted to be moved longitudinally on the table,that is, transversely to the bed.

The special design of the carriages is not of the essence ofmyinvention. Theyare adapted to be moved in or out upon the table inadjusting the machine to different sizes of rolls, and after adjustmentare rigidly secured to the table by bolts 9. The essential require mentsare that each carriage be provided with a rest 10 for acutter l1 andwith standards 12 which extend upward above the rests and are providedwith sockets 13 which receive transverse strengthening rods 14. The endsof these rods are threaded and are provided with nuts 15 which areadapted to be turned up against the opposite sides of the standards asclearly shown in Fig. 1. These sockets and strengthening rods constitutein connection with bolts 9 an important feature of my invention for thereason that they make the carriages rigid relatively to each other aswell as to the table.

In placing a roll in the machine to be operated upon the strengtheningrods 14 are of course removed and bolts 9 are loosened. This permits thecarriages to be moved in or out. After the carriages have been adjustedtheir bases are locked rigidly to the table by bolts 9 after which rods14 are placed in the sockets and the parts are made rigid by tighteningup nuts 15 on opposite sides of the standards. It will thus be seen thatspringing of the parts is rendered practicallyimpossible.

16 denotes blocks which rest on the cutters and are held firmly in placeby cross pieces 17 which are themselves locked in place by nuts 18.engaging threaded rods which pass through the cross pieces. The cuttersmay be adjusted laterally by set screws 19 in the carriages which engagethe edges of the cutters.

It will be apparent from what has already been said that my novelmachine while adapted to use a single cutter is especially adapted touse a set of cutters, that is,a cutter on each side of the roll oneacting to cut up and the other to cut down. In practice however, Ipreferably use more thanone set of cutters. I have not illustrated thisuse of IOC 22 denotes a crank arm on shaft by whlch movement is impartedto the feeding mechanism. \Vhen an additional set of cutters is used anadditional crank arm is placed upon shaft 20 to actuate the feedingmechanism therefor.

-23 denotes the feed shaft which is journaled in bearings 24 upon thecarriage. This shaft 1s provided at one end with a gear wheel 25, at itsmid-length with aworm 26 and at its opposite end with a bevel pinion 27.The novel feature of this portion of my invention lies in journalingshaft 23 in a plane oblique to the bed as is clearly shown in Fig. 4,the obllquity of the shaft being just sufficient to place the thread ofthe worm at right anglesto the bed so that the worm will engage a gearwheel 28 journaled on and having longitudinal movement on a shaft 29which extends outward from the carriage. This gear wheel is engaged bytwo gear wheels 30 having internally threaded hubs 31 which-engagethreaded shafts 32 extending outward from Theinner faces of hubs 31 bear7 the carriage. upon a cross piece 33 through which both threaded shaftspass freely, that is to say the cross piece is provided with openingslarger than the diameter of the threaded shafts so that there is noengagement between them. Hubs 31 act as gear wheels 30 are moved inwardon the threaded shafts, to force the cross piece forward, said crosspiece engaging the outer end of cutter 11 and forcing it forward. arestrengthened and supported by an angle brace 34.

I have for convenience used the singular form in describing the feedingmechanism. It will of course be understood however, that the feedingmechanisms upon each pair of carrlages are counterparts of each other.

35 denotes a transverse shaft journaled in bearings 36 on the respectivecarriages. Ad-

The outer ends of shafts 29 and 32 justably secured at each end of thisshaft but faclng of course in opposite directions are bevel pinions 37,one of which receives motion from the driving feed shaft 23,the othercommunicating motion to the driven feed shaft. on the other carriage.Each end of shaft 35 is squared as at 38 to receive a hand crank whichmay be applied whenever a hand feed is desired.

39 is a hub journaled on the driving feed shaft 23 and provided withanarm 4O carry-v ing a pawl 41 which engages gear wheel 25.

42 is, a connecting rod one end of which is pivoted to arm the other tocrank arm 22 on shaft 20. It will be seen therefore that oscillation ofshaft 20 will oscillate hub 39 and arm 40 on the feed shaft and that themovement in one direction will move the pawl backward over the teeth ofgear wheel 25, and that movement in the opposite direction will causethe pawl to engage gear wheel 25 and impart an axial movement to thefeed shaft which in use through the engagement of the hubs of theopposite gear wheels 30 with cross pieces 33 will move the respectivecutters inward a pre-determined distance depending of course upon theadjustment of the parts.

In use Where two sets of cutters are used the carriages carrying one setof cutters are placed at one end of the roll.and the carriages carryingthe other set of cutters at the mid-length of the roll, the samerelative arrangement being followed should it be preferred to use threecarriages and three sets of cutters. As soon as the cuts upon the rollhave been made to the proper depth, which is determined by calipering inthe ordinary manner or if preferred by special mechanism,

the tables with the carriages upon them are moved into position to makeanother cut and secured there in the manner described, the

carriages themselves are adjusted upon the tables and secured, there andthe strengthening rods are placed in position as already described. Theoperation of making a cut may then proceed as before.

Having thus described my invention, I claim- I 1. In a machine of thecharacter described the combination with a carriage, a cutter thereon,and a shaft 29 and threaded shafts 2 extending outward from thecarriage, of a cross piece against which the cutter rests and throughwhich the threaded shafts pass without engagement, a gear wheel 28journaled on shaft 29, gear wheels 30 engaging gear wheel 28 and havinginternally threaded hubs engaging threaded shafts 32 and bearing upon 1the cross piece and a feed shaft 23 having a worm and journaledobliquely so that the thread of the worm will engage the teeth of gearwheel 28, whereby the cutter is fed for- Ward in use.

2. The combination with a carriage, a cutter thereon and a shaft 29 andthreaded shafts 32 extending outward therefrom, of across piece againstwhich the cutter rests and through which the threaded shafts passwithout engagement, a gear wheel 28 journaled on shaft 29, gear wheels30 engaging gear wheel 28 and having internally threaded hubs *engagingthe threaded shafts and bearing upon the cross piece, a feed shaft 23havinga worm and a gear wheel 25 said shaft being journaled obliquely sothat the thread of the worm will engage gear wheel 28, a hub 39journaled on the feed shaft and having "an arm 4:0, a pawl carried bysaid arm and engaging gear ICO shafts pass without engagement, gearwheels 28 journaled on shafts 29, gear wheels 30 engaging gear wheels 28and having internally threaded hubs engaging the threaded shafts andbcarin g upon the cross pieces, feed shafts 23 having bevel pinions 27provided with worms and journaled obliquely so that the threads of theworms will engage the teeth of gear wheels 28, one of said feed shaftshaving a gear wheel 25, an oscillating arm carrying a pawl engaging thegear wheel whereby motion is communicated, and a transverse shaft 35having bevel pinions engaging bevel pinions 27 whereby motion iscommunicated from one feed shaft to the other so that both cutters arefed inward uniformly.

4. In a machine of the character described, the combination with a bed,a movable table and two carriages on said table, of a feed shaft on eachcarriage provided with a worm and a bevel gear 27 and journaledobliquely so that the threads of the worms are at right angles to themachine, a transverse shaft having bevel gears engaging gears 27 andsuitable mechanism operating in connection with the feed shafts to movethe carriagesinward or outward simultaneously.

In testimony whereof I aflix my signature in presence of two witnesses.

GEORGE VINE. Witnesses:

A. M. WOOSTER, SUSIE V. RICHARDSON.

